Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757277AbaJIMed (ORCPT ); Thu, 9 Oct 2014 08:34:33 -0400 Received: from mga02.intel.com ([134.134.136.20]:25287 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755945AbaJIMdk (ORCPT ); Thu, 9 Oct 2014 08:33:40 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,684,1406617200"; d="scan'208";a="615765026" From: Daniel Baluta To: jic23@kernel.org Cc: irina.tirdea@intel.com, daniel.baluta@intel.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH v2 3/7] iio: core: Introduce IIO_EV_DIR_NONE Date: Thu, 9 Oct 2014 15:39:41 +0300 Message-Id: <1412858385-11954-4-git-send-email-daniel.baluta@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1412858385-11954-1-git-send-email-daniel.baluta@intel.com> References: <1412858385-11954-1-git-send-email-daniel.baluta@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Irina Tirdea For some events (e.g.: step detector) a direction does not make sense. Add IIO_EV_DIR_NONE to be used with such events and generate sysfs event attributes that do not contain direction. Signed-off-by: Irina Tirdea Signed-off-by: Daniel Baluta --- drivers/iio/industrialio-event.c | 12 +++++++++--- include/linux/iio/types.h | 1 + 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c index afcf154..a9c9f34 100644 --- a/drivers/iio/industrialio-event.c +++ b/drivers/iio/industrialio-event.c @@ -328,9 +328,15 @@ static int iio_device_add_event(struct iio_dev *indio_dev, for_each_set_bit(i, mask, sizeof(*mask)*8) { if (i >= ARRAY_SIZE(iio_ev_info_text)) return -EINVAL; - postfix = kasprintf(GFP_KERNEL, "%s_%s_%s", - iio_ev_type_text[type], iio_ev_dir_text[dir], - iio_ev_info_text[i]); + if (dir != IIO_EV_DIR_NONE) + postfix = kasprintf(GFP_KERNEL, "%s_%s_%s", + iio_ev_type_text[type], + iio_ev_dir_text[dir], + iio_ev_info_text[i]); + else + postfix = kasprintf(GFP_KERNEL, "%s_%s", + iio_ev_type_text[type], + iio_ev_info_text[i]); if (postfix == NULL) return -ENOMEM; diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index a08ee6c..9a1cc01 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -87,6 +87,7 @@ enum iio_event_direction { IIO_EV_DIR_EITHER, IIO_EV_DIR_RISING, IIO_EV_DIR_FALLING, + IIO_EV_DIR_NONE, }; #define IIO_VAL_INT 1 -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/